Bankwest Stadium Operational Noise Management Plan

 
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Bankwest Stadium Operational Noise Management Plan
DIRECTORS
                      MATTHEW PALAVIDIS
                      VICTOR FATTORETTO
                      MATTHEW SHIELDS

                      MANAGING
                      DIRECTORS

                      MATTHEW PALAVIDIS

                      VICTOR FATTORETTO

                      GENERAL MANAGER

                      MATTHEW SHIELDS

                Bankwest Stadium

Operational Noise Management Plan
Bankwest Stadium Operational Noise Management Plan
DOCUMENT CONTROL REGISTER

Project Number                                                                                20190042.1
Project Name                                                                             Bankwest Stadium
Document Title                                                         Operational Noise Management Plan
Document Reference                                                              20190042.1/0102A/R2/TA
Issue Type                                                                                           Email
Attention To                                                                                 Venues NSW
                                                                                               Steve Clark

 Revision           Date            Document Reference                Prepared            Checked   Approved
                                                                         By                 By         By
      0          1/02/2019        20190042.1/0102A/R0/TA                 TA                 TH         TA
      1          1/02/2019        20190042.1/0102A/R1/TA                 TA                            TA
      2          1/02/2019        20190042.1/0102A/R2/TA                 TA                            TA

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Bankwest Stadium Operational Noise Management Plan
TABLE OF CONTENTS

1   INTRODUCTION                                                                           4
2   DESCRIPTION OF MAJOR EVENTS (CONDITION D7A)                                            4
  2.1    PERMANENT AMPLIFICATION SYSTEMS                                                   4
3 NOISE SENSITIVE RECEIVERS (CONDITION D7B)                                                4
  3.1    NEAREST POTENTIALLY AFFECTED RECEIVERS                                            5
4 NOISE MONITORING PROGRAMME (CONDITION D7C)                                               6
  4.1    EVENTS TO BE MONITORED                                                            6
  4.2    MONITORING LOCATIONS                                                              6
  4.3    MONITORING REQUIREMENTS                                                           6
  4.4    RESPONSE TO NOISE MEASUREMENTS                                                    7
    4.4.1    Monitoring Procedures                                                         7
  4.5    RESULTS OF MONITOIRING AFTER MAJOR EVENTS                                         7
5 NOISE MANAGEMENT OBJECTIVES (CONDITION D7D)                                              8
  5.1    HOURS OF EVENTS                                                                   9
    5.1.1    Pyrotechnics Operations                                                      10
6 NOISE MODEL (CONDITION D7E)                                                             10
7 NOISE COMPLAINTS (CONDITION D7F)                                                        11
8 COMMUNITY CONSULTATION (CONDITION D7G)                                                  11
  8.1    NOTICE TO THE COMMUNITY INCLUDING RESIDENTS AND BUSINESSES                       11
  8.2    COMMUNITY FEEDBACK AFTER MAJOR EVENTS                                            11
9 REVIEW OF NOISE MANAGEMENT PLAN (CONDITION D7J/K)                                       12
10 CONCLUSION                                                                             13
APPENDIX ONE –                                                                            14
RESULTS OF NOISE MODELLING                                                                14

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Bankwest Stadium Operational Noise Management Plan
1     INTRODUCTION

This Bankwest Stadium operational noise management plan (ONMP) has been developed to address
Consent Conditions D7 of State Significant Development Application 8175.

This management plan exclusively addresses noise from major events within Bankwest Stadium.
Other operational noise sources such as mechanical plant and hydraulic plant have been assessed
at DA stage and will be certified for compliance with noise emission goals prior to Practical
Completion of the Stadium. This ONMP presents the management procedures, monitoring
protocols for major sporting events, concerts and events.

2     DESCRIPTION OF MAJOR EVENTS (CONDITION D7A)

The proposed events schedule as provided by Venues NSW is presented below (note: cultural events
and concerts are TBC):

                               Table 1 - Indicative Annual Events Schedule

                Type of event – 2019                                               Number
                   NRL Competition                                                     16
            Other Rugby League matches                                                     4
              A- and W-League football                                                     7
                Other football matches                                                     2
                      Rugby Union                                                          3
          Concert and other cultural events                                                3
                         TOTAL                                                         35

As per the requirements of condition A4, 49 sporting events (excluding training and Captain’s Runs)
and 3 concerts are permitted in each calendar year.

2.1    PERMANENT AMPLIFICATION SYSTEMS

Bankwest Stadium has been equipped (currently being installed) with a public address system which
is used to convey instructions and information to the crowd. This system is not implemented during
major concert events (or in a limited capacity for announcements only) and temporary amplification
systems (j-arrays, foldback, etc) will be provided by the major concerts’ artists’ audio team.

3     NOISE SENSITIVE RECEIVERS (CONDITION D7B)

Bankwest Stadium is located at 11-13 O’Connell Street, within the Parramatta Park on the north-
eastern edge of the Parramatta CBD. It is bound to the south and west by the Parramatta Park and
the Parramatta River, the Parramatta Leagues Club to the north and O’Connell Street to the east.
The Site is located within the City of Parramatta local government area (LGA).

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A locational context plan is provided at Figure 1 below.

Site Plan

              Construction Boundary

               Operational Boundary

                                             Figure 1 – Site context Plan

3.1       NEAREST POTENTIALLY AFFECTED RECEIVERS

A survey of nearest potentially affected sensitive commercial and residential receivers has been
conducted and the following sensitive receivers have been identified:

•         Residential Properties between O’Connell Street and Fennell Street
•         Queens Road and Park Avenue Residential Properties,
•         Lichen Place and Parkside Lane Residential Properties,
•         Our Lady of Mercy College,
•         Parramatta Park ; and
•         Grey-Headed Flying Fox camp (see Western Sydney Stadium Biodiversity Operational
          Management Plan)

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4       NOISE MONITORING PROGRAMME (CONDITION D7C)

This Section addresses the noise monitoring programme that records noise emissions from major
events proposed for Bankwest Stadium.

4.1       EVENTS TO BE MONITORED

The following events should have continuous monitoring conducted

•         Every concert, including sound tests; and
•         Two major sporting events per calendar year.

4.2       MONITORING LOCATIONS

Monitoring of these concerts should be conducted in the following locations:

•         One engineer conducting Grose St and O’Connell Street;
•         One engineer conducting attended measurements at the locations of any complaints; and
•         Attended measurements periodically conducted at the Grey-Headed Flying Fox camp.

These locations are representative of the nearest affected sensitive receivers and noise emissions
from concerts and sporting events at these locations will be the most conservative measurements
compared to receivers with greater separation from the Stadium.

4.3       MONITORING REQUIREMENTS

Monitoring must be conducted by an acoustic consultant who is a member (or eligible for
membership) of the Australian Acoustical Society. All noise emission testing is to be conducted in
accordance with AS 1055.1-1997. All internal noise testing will be conducted in accordance with the
AS 2107‐ 1987 Clause 5. All measurements will be conducted with a type 2 instrument as per the
brief in AS 1259 Part 2 Sound Level Meters ‐ Precision.

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4.4       RESPONSE TO NOISE MEASUREMENTS

4.4.1       Monitoring Procedures

The following procedure should be adopted in zones attended monitoring is required. During a
concert or major event, where a noise goal is exceeded the following action shall be undertaken:

•         Direct contact is to be maintained between the attended monitoring engineers and the
          mixing desk of the concerts. An SMS notification shall be sent upon an exceedence of the
          trigger level to the mixing desk.

•         Where the exceedence of noise emission goal is minor and does not occur for a greater than
          5 minute interval per hour (ie concert start and concert end) then the activities should
          continue.

•         If exceedences of the noise goal occur for greater than 5 minutes, the mixing desk shall be
          instructed by the attended monitoring engineers to reduce sound levels or implement
          additional noise management measures until continuous noise emissions from concert
          activities are within noise objectives.

4.5       RESULTS OF MONITOIRING AFTER MAJOR EVENTS

The results of the noise monitoring should be presented within a report which is to be made publicly
available on the Bankwest Stadium website. The report should include as a minimum:

•         Location of noise measurements
•         Instrumentation
•         Monitoring times
•         Noise descriptors (dB(A) Lmax dB(C) Lmax
•         Personnel qualifications
•         Any exceedances of noise goals and a description of the Stadium noise event which resulted
          in the exceedence.

The report must be made available to public on request along with this ONMP.

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5       NOISE MANAGEMENT OBJECTIVES (CONDITION D7D)

Clause 90 of the Protection of Environment Operations (POEO) (General) Regulation 1997 makes the
EPA the responsible authority for environmental noise emissions from outdoor concerts, festivals
and cinematic or theatrical events using sound amplification equipment with 200 or more people.
Specifically, Clause 90(d) nominates the EPA as the regulatory body for the trust land within the
meaning of Parramatta Stadium Trust Act 1998.

However, the Protection of Environment Operations (POEO) (General) Regulation 1997 does not
provide any clear noise emission goals for the concerts or sporting events. The difficulty in
establishing noise emission goals for stadiums is noted within the EPA Noise Guide for Local
Government which states:

       “There are no hard and fast rules to apply when developing noise limits for these types of
       events, and what is appropriate will depend upon the particular circumstances. Typically,
       unless the venue is very remote, it is not possible to establish noise limits that prevent
       annoyance at every residence. However, noise limits can prevent the noise levels from being
       any higher than necessary.

In the determination of noise emission goals for sporting events and concerts held within the
Stadium, a study of similar facilities with comparable design and operational principles has been
conducted. The study concluded that, with respect to acoustics, direct comparisons can be made
between the current Bankwest Stadium design and proposed operation, and that of Allianz Stadium.

The two stadiums are comparable in that:

•         Both have a similar proposed crowd capacity (30, 000 for WSS and 42,000 for Allianz);
•         The roof junction with the perimeter of the top seating tier on both stadiums have openings
          for ventilation and light (which is a source of operational noise emissions);
•         WSS and Allianz have central open apertures over the pitch;
•         Both stadiums and their respective potentially affected noise receivers are located in similar
          ambient acoustic environments; and
•         The stadiums have almost identical operating principles, in that the stadiums will primarily be
          a venue for sporting events, with periodic concerts and other events.

Given the similarities, and the fact that Allianz has a history of operating successfully in proximity to
residential properties, it is proposed that the Allianz Stadium noise management goals as presented
within the Allianz Stadium Noise Management Plan (January 2017, prepared by ERM) be established
as noise management levels for Bankwest Stadium.

As a result, the following noise management levels have been developed for the surrounding
residential properties:

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Table 2 – Bankwest Stadium Noise Emission Management Levels

        Event              Compliance             Noise Source                Noise                  Noise
                            Location                                      Management             Management
                                                                           Level dB(A)            Level dB(A)
                                                                              LAmax                  LCmax
                            Surrounding
                                                   Amplification
   Sporting Event            Residential                                         60                    N/A
                                                    Equipment
                              Receivers
                            Surrounding
 Concerts & Sound
                             Residential                 All                     80                    100
      Tests
                              Receivers

5.1     HOURS OF EVENTS

The following hours of operation are envisaged for the Bankwest Stadium:

                                  Table 3 – Expected Hours of Operation

      Event / Activity         Hours of Operation                   Comments                Number of Events
                                                                Extension of hours to
                                                                   midnight may be
                                                                                             Three concerts per
                                                               considered acceptable
                                                                                            calendar year as per
         Concerts               12:00pm – 10:30pm               if concert delays are
                                                                                           the Bankwest Stadium
                                                               outside of the control
                                                                                                Project Brief
                                                                   of the Bankwest
                                                                    Stadium Trust.
                                                                                           Sound tests associated
                                                                                            with concerts should
        Sound tests              10:00am – 7:00pm                       N/A                 be restricted to the
                                                                                            day of the proposed
                                                                                                  concert
                                                                                            Separate applications
                                                               Extension of hours of
                                                                                           should be submitted to
                                                               fireworks to 12:15am
                                                                                           the EPA for each event
                                                               may be considered to
        Pyrotechnics            10:00am – 10:30pm                                           proposing the use of
                                                               be acceptable on NYE
                                                                                            aerial pyrotechnics to
                                                                  given the cultural
                                                                                             be ignited or erupt
                                                                     significance.
                                                                                            above the roof line.*
      Sporting Events           10:00am – 10:30pm                       N/A                    See Section 2

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5.1.1    Pyrotechnics Operations

A separate specific application should be made for any pyrotechnics which are proposed to be
ignited at or above the highest seating tier. In the absence of a specific assessment / application for
pyrotechnics, these are to be limited from igniting at or above the highest seating tier.

Given the nature of pyrotechnics, any ignition of fireworks above the seating tier is expected to
exceed any traditional noise emission goals, and should be limited to special events (New Years Eve,
Australia Day, Easter) as there are no practical acoustic treatments which can be implemented to
reduce noise from fireworks ignited above the highest seating tier.

6    NOISE MODEL (CONDITION D7E)

A noise model of major events has been prepared by this office and the results which were prepared
and submitted at Development Application Stage are presented in Appendix One. Noise predictions
have been conducted using the SoundPlan noise modelling software. Noise propagation was
determined using ISO 9613-2:1996 “Acoustics – Attenuation of Sound During Propagation Outdoors
– Part 2: General Method of Calculation” noise propagation standard.

                         Figure 2 – SoundPLAN Bankwest Stadium Noise Model

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7       NOISE COMPLAINTS (CONDITION D7F)

Noise complaints during concerts and major sporting events should be managed as follows (as
detailed within the Operational Noise and Vibration Impact Assessment prepared during the Stage
2 submission):

•         A Noise Management Hotline should be made available to the public for lodgement of noise
          complaints. The hotline should notify without delay the acoustical consultants carrying out
          measurements of noise, who should immediately follow complaints with noise
          measurements carried out at locations of complainants (see Section 4.4.1)

•         A register of all noise complaints received during noisy events should be maintained including:

                 o    The date and time each complaint was received
                 o    How the complaint was received
                 o    The contact details of the person lodging the complaint, including the street
                      address.

This register must be maintained and updated by Bankwest Stadium.

8       COMMUNITY CONSULTATION (CONDITION D7G)

The following community consultation should be undertaken (as detailed within the Operational
Noise and Vibration Impact Assessment prepared during the Stage 2 submission):

8.1       NOTICE TO THE COMMUNITY INCLUDING RESIDENTS AND BUSINESSES

•         Notify all residential premises within 1 kilometre of Parramatta Stadium and the residential
          premises listed in this ONMP of any planned noisy events by a letterbox drop at least 30 days
          before the events.

          It is recommended the notice to the residential and commercial premises advise of:

                 o    Nature (description) and size of (expected crowd attending) a major event;
                 o    Date and time (duration) of the event, including preliminary practice sessions
                      and/or rehearsals;
                 o    A hotline (telephone number) for lodgement of noise complaints;
                 o    This ONMP available on Bankwest Stadium’s website; and invite post-event
                      feedback.

8.2       COMMUNITY FEEDBACK AFTER MAJOR EVENTS

Occupiers of the residential and commercial premises are able to express their opinion on the
impact of noise emanating from noisy events held at WSS and provide suggestions on minimising
the impact through letter box drops.

This ONMP should be made publicly available on a website alongside information on upcoming
major events.

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9       REVIEW OF NOISE MANAGEMENT PLAN (CONDITION D7J/K)

A regular review and update the Operational Noise Management Plan should be conducted each
calendar year, taking into account:

•         Complaints regarding noise;
•         The results of the active attended noise monitoring and reporting;
•         Recommendations from acoustic engineers engaged in monitoring of noise during the
          events;
•         Results of all community consultation; and
•         Any other community reaction (via emails or phone calls to Bankwest Stadium)

During the annual review, if there is found to be regular, continuous exceedances of the operational
noise management levels during major events, the location of temporary sound reinforcement
should be reviewed.

Whilst achieving the main audio objectives of the main event the following techniques could be
investigated for major event temporary sound reinforcement system in the event of exceedances
of noise emission goals:

•         Relocation of temporary equipment to a location further from residents (noting that this is
          likely to have a limited impact as the sound reinforcement system is ideally engineered to
          fill the entire stadium equally).

•         Use of directional loudspeakers with less “spill” than traditional J arrays (subject to main
          event’s artist’s requirements for sound distribution).

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10 CONCLUSION

An operational noise management plan (ONMP) has been prepared for Bankwest Stadium. Noise
emissions from Bankwest Stadium have been assessed and managed as follows:

•         All major concerts (up to three per calendar year) and two major sporting events are to
          have a regime of attended monitoring conducted at two locations
•         The results of this monitoring are to be reported and any exceedance of the formulated
          noise emission goals is to be reported with identification of the Stadium noise source
          reported.
•         The monitoring reports are to be made publicly available on the Bankwest Stadium website.
•         Community notification is to be undertaken before major events.
•         This noise management plan should be updated regularly in response to both the active
          attended monitoring results and the community response.

We trust this information is satisfactory. Please contact us should you have any further queries.

Yours faithfully,

Thomas Aubusson MAAS

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APPENDIX ONE –

                                                                    RESULTS OF NOISE MODELLING

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